We also examine whether the differences of opinion between sectors are different. In Figure 2, we cover the sectors with the highest and lowest ESG ratings by category. We note that it is in the health sector that the differences on the environmental dimension are the lowest. If we focus on governance, we find that rating providers are the most diverse in terms of governance in the financial sector: the average correlation is essentially zero. What does all this mean for investors? This does not mean that ESG ratings are unnecessary or that suppliers are biased or incompetent. ESG performance is simply difficult to measure, and reasonable people disagree, just as some equity analysts see one company as a buy and another as Sell. Previous surveys have generally focused either on the survey of differences of opinion between financial analysts on a company`s future profits, or on differences of opinion between credit rating agencies on the quality of a company`s credit. . . .